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Finding the Fourth Proportional to 60,655.70, 90,848.12 and 46,511.56

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Solution

The fourth proportional to 60,655.70, 90,848.12 and 46,511.56 is: 69,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.70 : 90,848.12 = 46,511.56 : x
  2. Step 2: Convert to fraction form
    60,655.70/90,848.12 = 46,511.56/x
  3. Step 3: Cross multiply
    60,655.70x = 90,848.12 × 46,511.56
  4. Step 4: Simplify right side
    60,655.70x = 4,225,487,784.27
  5. Step 5: Solve for x
    x = 4,225,487,784.27/60,655.70
  6. Step 6: Final answer
    x = 69,663.49

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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.