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Finding the Fourth Proportional to 60,406.80, 90,437.40 and 60,406.80

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Solution

The fourth proportional to 60,406.80, 90,437.40 and 60,406.80 is: 90,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,406.80 : 90,437.40 = 60,406.80 : x
  2. Step 2: Convert to fraction form
    60,406.80/90,437.40 = 60,406.80/x
  3. Step 3: Cross multiply
    60,406.80x = 90,437.40 × 60,406.80
  4. Step 4: Simplify right side
    60,406.80x = 5,463,033,934.32
  5. Step 5: Solve for x
    x = 5,463,033,934.32/60,406.80
  6. Step 6: Final answer
    x = 90,437.40

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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.