Home / 66,718.08-92,132.19-42,886.26

Finding the Fourth Proportional to 66,718.08, 92,132.19 and 42,886.26

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Solution

The fourth proportional to 66,718.08, 92,132.19 and 42,886.26 is: 59,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,718.08 : 92,132.19 = 42,886.26 : x
  2. Step 2: Convert to fraction form
    66,718.08/92,132.19 = 42,886.26/x
  3. Step 3: Cross multiply
    66,718.08x = 92,132.19 × 42,886.26
  4. Step 4: Simplify right side
    66,718.08x = 3,951,205,054.71
  5. Step 5: Solve for x
    x = 3,951,205,054.71/66,718.08
  6. Step 6: Final answer
    x = 59,222.40

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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.