Home / 56,767.63-78,341.75-31,617.13

Finding the Fourth Proportional to 56,767.63, 78,341.75 and 31,617.13

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Solution

The fourth proportional to 56,767.63, 78,341.75 and 31,617.13 is: 43,632.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,767.63 : 78,341.75 = 31,617.13 : x
  2. Step 2: Convert to fraction form
    56,767.63/78,341.75 = 31,617.13/x
  3. Step 3: Cross multiply
    56,767.63x = 78,341.75 × 31,617.13
  4. Step 4: Simplify right side
    56,767.63x = 2,476,941,294.18
  5. Step 5: Solve for x
    x = 2,476,941,294.18/56,767.63
  6. Step 6: Final answer
    x = 43,632.99

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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.