Home / 72,071.16-99,403.47-62,016.45

Finding the Fourth Proportional to 72,071.16, 99,403.47 and 62,016.45

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Solution

The fourth proportional to 72,071.16, 99,403.47 and 62,016.45 is: 85,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,071.16 : 99,403.47 = 62,016.45 : x
  2. Step 2: Convert to fraction form
    72,071.16/99,403.47 = 62,016.45/x
  3. Step 3: Cross multiply
    72,071.16x = 99,403.47 × 62,016.45
  4. Step 4: Simplify right side
    72,071.16x = 6,164,650,327.08
  5. Step 5: Solve for x
    x = 6,164,650,327.08/72,071.16
  6. Step 6: Final answer
    x = 85,535.61

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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.