Home / 88,127.64-121,615.76-47,841.08

Finding the Fourth Proportional to 88,127.64, 121,615.76 and 47,841.08

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Solution

The fourth proportional to 88,127.64, 121,615.76 and 47,841.08 is: 66,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.64 : 121,615.76 = 47,841.08 : x
  2. Step 2: Convert to fraction form
    88,127.64/121,615.76 = 47,841.08/x
  3. Step 3: Cross multiply
    88,127.64x = 121,615.76 × 47,841.08
  4. Step 4: Simplify right side
    88,127.64x = 5,818,229,303.42
  5. Step 5: Solve for x
    x = 5,818,229,303.42/88,127.64
  6. Step 6: Final answer
    x = 66,020.48

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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.