Home / 88,127.19-121,570.47-56,262.60

Finding the Fourth Proportional to 88,127.19, 121,570.47 and 56,262.60

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Solution

The fourth proportional to 88,127.19, 121,570.47 and 56,262.60 is: 77,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.19 : 121,570.47 = 56,262.60 : x
  2. Step 2: Convert to fraction form
    88,127.19/121,570.47 = 56,262.60/x
  3. Step 3: Cross multiply
    88,127.19x = 121,570.47 × 56,262.60
  4. Step 4: Simplify right side
    88,127.19x = 6,839,870,725.42
  5. Step 5: Solve for x
    x = 6,839,870,725.42/88,127.19
  6. Step 6: Final answer
    x = 77,613.63

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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.