Home / 60,403.12-83,434.76-45,975.30

Finding the Fourth Proportional to 60,403.12, 83,434.76 and 45,975.30

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Solution

The fourth proportional to 60,403.12, 83,434.76 and 45,975.30 is: 63,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,403.12 : 83,434.76 = 45,975.30 : x
  2. Step 2: Convert to fraction form
    60,403.12/83,434.76 = 45,975.30/x
  3. Step 3: Cross multiply
    60,403.12x = 83,434.76 × 45,975.30
  4. Step 4: Simplify right side
    60,403.12x = 3,835,937,751.08
  5. Step 5: Solve for x
    x = 3,835,937,751.08/60,403.12
  6. Step 6: Final answer
    x = 63,505.63

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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.