Home / 89,688.32-134,532.40-42,292.36

Finding the Fourth Proportional to 89,688.32, 134,532.40 and 42,292.36

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Solution

The fourth proportional to 89,688.32, 134,532.40 and 42,292.36 is: 63,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688.32 : 134,532.40 = 42,292.36 : x
  2. Step 2: Convert to fraction form
    89,688.32/134,532.40 = 42,292.36/x
  3. Step 3: Cross multiply
    89,688.32x = 134,532.40 × 42,292.36
  4. Step 4: Simplify right side
    89,688.32x = 5,689,692,692.46
  5. Step 5: Solve for x
    x = 5,689,692,692.46/89,688.32
  6. Step 6: Final answer
    x = 63,438.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.