Home / 45,332.76-67,543.51-42,786.22

Finding the Fourth Proportional to 45,332.76, 67,543.51 and 42,786.22

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Solution

The fourth proportional to 45,332.76, 67,543.51 and 42,786.22 is: 63,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.76 : 67,543.51 = 42,786.22 : x
  2. Step 2: Convert to fraction form
    45,332.76/67,543.51 = 42,786.22/x
  3. Step 3: Cross multiply
    45,332.76x = 67,543.51 × 42,786.22
  4. Step 4: Simplify right side
    45,332.76x = 2,889,931,264.50
  5. Step 5: Solve for x
    x = 2,889,931,264.50/45,332.76
  6. Step 6: Final answer
    x = 63,749.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.