Home / 89,870.19-124,070.58-54,069

Finding the Fourth Proportional to 89,870.19, 124,070.58 and 54,069

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Solution

The fourth proportional to 89,870.19, 124,070.58 and 54,069 is: 74,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,870.19 : 124,070.58 = 54,069 : x
  2. Step 2: Convert to fraction form
    89,870.19/124,070.58 = 54,069/x
  3. Step 3: Cross multiply
    89,870.19x = 124,070.58 × 54,069
  4. Step 4: Simplify right side
    89,870.19x = 6,708,372,190.02
  5. Step 5: Solve for x
    x = 6,708,372,190.02/89,870.19
  6. Step 6: Final answer
    x = 74,645.13

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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.