Home / 124,270.08-171,486.80-70,547.78

Finding the Fourth Proportional to 124,270.08, 171,486.80 and 70,547.78

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Solution

The fourth proportional to 124,270.08, 171,486.80 and 70,547.78 is: 97,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,270.08 : 171,486.80 = 70,547.78 : x
  2. Step 2: Convert to fraction form
    124,270.08/171,486.80 = 70,547.78/x
  3. Step 3: Cross multiply
    124,270.08x = 171,486.80 × 70,547.78
  4. Step 4: Simplify right side
    124,270.08x = 12,098,013,039.30
  5. Step 5: Solve for x
    x = 12,098,013,039.30/124,270.08
  6. Step 6: Final answer
    x = 97,352.58

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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.