Home / 88,136.16-121,614.96-52,327.68

Finding the Fourth Proportional to 88,136.16, 121,614.96 and 52,327.68

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Solution

The fourth proportional to 88,136.16, 121,614.96 and 52,327.68 is: 72,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.16 : 121,614.96 = 52,327.68 : x
  2. Step 2: Convert to fraction form
    88,136.16/121,614.96 = 52,327.68/x
  3. Step 3: Cross multiply
    88,136.16x = 121,614.96 × 52,327.68
  4. Step 4: Simplify right side
    88,136.16x = 6,363,828,710.09
  5. Step 5: Solve for x
    x = 6,363,828,710.09/88,136.16
  6. Step 6: Final answer
    x = 72,204.52

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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.