Home / 89,670.16-134,384.28-34,235.92

Finding the Fourth Proportional to 89,670.16, 134,384.28 and 34,235.92

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Solution

The fourth proportional to 89,670.16, 134,384.28 and 34,235.92 is: 51,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,670.16 : 134,384.28 = 34,235.92 : x
  2. Step 2: Convert to fraction form
    89,670.16/134,384.28 = 34,235.92/x
  3. Step 3: Cross multiply
    89,670.16x = 134,384.28 × 34,235.92
  4. Step 4: Simplify right side
    89,670.16x = 4,600,769,459.34
  5. Step 5: Solve for x
    x = 4,600,769,459.34/89,670.16
  6. Step 6: Final answer
    x = 51,307.70

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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.