Home / 88,004.17-121,436.76-54,014.08

Finding the Fourth Proportional to 88,004.17, 121,436.76 and 54,014.08

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Solution

The fourth proportional to 88,004.17, 121,436.76 and 54,014.08 is: 74,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.17 : 121,436.76 = 54,014.08 : x
  2. Step 2: Convert to fraction form
    88,004.17/121,436.76 = 54,014.08/x
  3. Step 3: Cross multiply
    88,004.17x = 121,436.76 × 54,014.08
  4. Step 4: Simplify right side
    88,004.17x = 6,559,294,869.58
  5. Step 5: Solve for x
    x = 6,559,294,869.58/88,004.17
  6. Step 6: Final answer
    x = 74,533.91

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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.