Home / 111,054.03-153,254.60-62,666.22

Finding the Fourth Proportional to 111,054.03, 153,254.60 and 62,666.22

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Solution

The fourth proportional to 111,054.03, 153,254.60 and 62,666.22 is: 86,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054.03 : 153,254.60 = 62,666.22 : x
  2. Step 2: Convert to fraction form
    111,054.03/153,254.60 = 62,666.22/x
  3. Step 3: Cross multiply
    111,054.03x = 153,254.60 × 62,666.22
  4. Step 4: Simplify right side
    111,054.03x = 9,603,886,166.28
  5. Step 5: Solve for x
    x = 9,603,886,166.28/111,054.03
  6. Step 6: Final answer
    x = 86,479.40

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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.