Home / 124,547.47-171,879.30-70,840.22

Finding the Fourth Proportional to 124,547.47, 171,879.30 and 70,840.22

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Solution

The fourth proportional to 124,547.47, 171,879.30 and 70,840.22 is: 97,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547.47 : 171,879.30 = 70,840.22 : x
  2. Step 2: Convert to fraction form
    124,547.47/171,879.30 = 70,840.22/x
  3. Step 3: Cross multiply
    124,547.47x = 171,879.30 × 70,840.22
  4. Step 4: Simplify right side
    124,547.47x = 12,175,967,425.45
  5. Step 5: Solve for x
    x = 12,175,967,425.45/124,547.47
  6. Step 6: Final answer
    x = 97,761.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.