Home / 88,151.48-121,649.20-47,864.68

Finding the Fourth Proportional to 88,151.48, 121,649.20 and 47,864.68

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Solution

The fourth proportional to 88,151.48, 121,649.20 and 47,864.68 is: 66,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.48 : 121,649.20 = 47,864.68 : x
  2. Step 2: Convert to fraction form
    88,151.48/121,649.20 = 47,864.68/x
  3. Step 3: Cross multiply
    88,151.48x = 121,649.20 × 47,864.68
  4. Step 4: Simplify right side
    88,151.48x = 5,822,700,030.26
  5. Step 5: Solve for x
    x = 5,822,700,030.26/88,151.48
  6. Step 6: Final answer
    x = 66,053.34

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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.