Home / 88,127.40-121,616.76-47,841.54

Finding the Fourth Proportional to 88,127.40, 121,616.76 and 47,841.54

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Solution

The fourth proportional to 88,127.40, 121,616.76 and 47,841.54 is: 66,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.40 : 121,616.76 = 47,841.54 : x
  2. Step 2: Convert to fraction form
    88,127.40/121,616.76 = 47,841.54/x
  3. Step 3: Cross multiply
    88,127.40x = 121,616.76 × 47,841.54
  4. Step 4: Simplify right side
    88,127.40x = 5,818,333,088.21
  5. Step 5: Solve for x
    x = 5,818,333,088.21/88,127.40
  6. Step 6: Final answer
    x = 66,021.84

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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.