Home / 56,174.16-77,452.80-45,430.56

Finding the Fourth Proportional to 56,174.16, 77,452.80 and 45,430.56

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Solution

The fourth proportional to 56,174.16, 77,452.80 and 45,430.56 is: 62,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,174.16 : 77,452.80 = 45,430.56 : x
  2. Step 2: Convert to fraction form
    56,174.16/77,452.80 = 45,430.56/x
  3. Step 3: Cross multiply
    56,174.16x = 77,452.80 × 45,430.56
  4. Step 4: Simplify right side
    56,174.16x = 3,518,724,077.57
  5. Step 5: Solve for x
    x = 3,518,724,077.57/56,174.16
  6. Step 6: Final answer
    x = 62,639.55

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1.5x scale

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.