Home / 88,031.04-121,443.52-52,222.56

Finding the Fourth Proportional to 88,031.04, 121,443.52 and 52,222.56

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Solution

The fourth proportional to 88,031.04, 121,443.52 and 52,222.56 is: 72,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.04 : 121,443.52 = 52,222.56 : x
  2. Step 2: Convert to fraction form
    88,031.04/121,443.52 = 52,222.56/x
  3. Step 3: Cross multiply
    88,031.04x = 121,443.52 × 52,222.56
  4. Step 4: Simplify right side
    88,031.04x = 6,342,091,509.81
  5. Step 5: Solve for x
    x = 6,342,091,509.81/88,031.04
  6. Step 6: Final answer
    x = 72,043.81

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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.