Home / 88,031.81-121,465.19-52,233.46

Finding the Fourth Proportional to 88,031.81, 121,465.19 and 52,233.46

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Solution

The fourth proportional to 88,031.81, 121,465.19 and 52,233.46 is: 72,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.81 : 121,465.19 = 52,233.46 : x
  2. Step 2: Convert to fraction form
    88,031.81/121,465.19 = 52,233.46/x
  3. Step 3: Cross multiply
    88,031.81x = 121,465.19 × 52,233.46
  4. Step 4: Simplify right side
    88,031.81x = 6,344,546,970.18
  5. Step 5: Solve for x
    x = 6,344,546,970.18/88,031.81
  6. Step 6: Final answer
    x = 72,071.07

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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.