Home / 77,250.15-106,550.10-70,897.32

Finding the Fourth Proportional to 77,250.15, 106,550.10 and 70,897.32

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Solution

The fourth proportional to 77,250.15, 106,550.10 and 70,897.32 is: 97,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,250.15 : 106,550.10 = 70,897.32 : x
  2. Step 2: Convert to fraction form
    77,250.15/106,550.10 = 70,897.32/x
  3. Step 3: Cross multiply
    77,250.15x = 106,550.10 × 70,897.32
  4. Step 4: Simplify right side
    77,250.15x = 7,554,116,535.73
  5. Step 5: Solve for x
    x = 7,554,116,535.73/77,250.15
  6. Step 6: Final answer
    x = 97,787.73

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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.