Home / 77,248.59-106,518.75-67,087.35

Finding the Fourth Proportional to 77,248.59, 106,518.75 and 67,087.35

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Solution

The fourth proportional to 77,248.59, 106,518.75 and 67,087.35 is: 92,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,248.59 : 106,518.75 = 67,087.35 : x
  2. Step 2: Convert to fraction form
    77,248.59/106,518.75 = 67,087.35/x
  3. Step 3: Cross multiply
    77,248.59x = 106,518.75 × 67,087.35
  4. Step 4: Simplify right side
    77,248.59x = 7,146,060,662.81
  5. Step 5: Solve for x
    x = 7,146,060,662.81/77,248.59
  6. Step 6: Final answer
    x = 92,507.33

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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.