Home / 56,535.01-78,012.80-32,661.17

Finding the Fourth Proportional to 56,535.01, 78,012.80 and 32,661.17

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Solution

The fourth proportional to 56,535.01, 78,012.80 and 32,661.17 is: 45,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,535.01 : 78,012.80 = 32,661.17 : x
  2. Step 2: Convert to fraction form
    56,535.01/78,012.80 = 32,661.17/x
  3. Step 3: Cross multiply
    56,535.01x = 78,012.80 × 32,661.17
  4. Step 4: Simplify right side
    56,535.01x = 2,547,989,531.60
  5. Step 5: Solve for x
    x = 2,547,989,531.60/56,535.01
  6. Step 6: Final answer
    x = 45,069.23

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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.