Home / 72,332.08-108,530.88-42,807.52

Finding the Fourth Proportional to 72,332.08, 108,530.88 and 42,807.52

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Solution

The fourth proportional to 72,332.08, 108,530.88 and 42,807.52 is: 64,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,332.08 : 108,530.88 = 42,807.52 : x
  2. Step 2: Convert to fraction form
    72,332.08/108,530.88 = 42,807.52/x
  3. Step 3: Cross multiply
    72,332.08x = 108,530.88 × 42,807.52
  4. Step 4: Simplify right side
    72,332.08x = 4,645,937,816.22
  5. Step 5: Solve for x
    x = 4,645,937,816.22/72,332.08
  6. Step 6: Final answer
    x = 64,230.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.