Home / 52,400.66-72,312.47-28,527.28

Finding the Fourth Proportional to 52,400.66, 72,312.47 and 28,527.28

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Solution

The fourth proportional to 52,400.66, 72,312.47 and 28,527.28 is: 39,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.66 : 72,312.47 = 28,527.28 : x
  2. Step 2: Convert to fraction form
    52,400.66/72,312.47 = 28,527.28/x
  3. Step 3: Cross multiply
    52,400.66x = 72,312.47 × 28,527.28
  4. Step 4: Simplify right side
    52,400.66x = 2,062,877,862.74
  5. Step 5: Solve for x
    x = 2,062,877,862.74/52,400.66
  6. Step 6: Final answer
    x = 39,367.41

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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.