Home / 72,070.66-99,402.78-62,015.95

Finding the Fourth Proportional to 72,070.66, 99,402.78 and 62,015.95

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Solution

The fourth proportional to 72,070.66, 99,402.78 and 62,015.95 is: 85,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070.66 : 99,402.78 = 62,015.95 : x
  2. Step 2: Convert to fraction form
    72,070.66/99,402.78 = 62,015.95/x
  3. Step 3: Cross multiply
    72,070.66x = 99,402.78 × 62,015.95
  4. Step 4: Simplify right side
    72,070.66x = 6,164,557,834.34
  5. Step 5: Solve for x
    x = 6,164,557,834.34/72,070.66
  6. Step 6: Final answer
    x = 85,534.92

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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.