Home / 56,164.13-77,506.56-31,013.63

Finding the Fourth Proportional to 56,164.13, 77,506.56 and 31,013.63

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Solution

The fourth proportional to 56,164.13, 77,506.56 and 31,013.63 is: 42,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164.13 : 77,506.56 = 31,013.63 : x
  2. Step 2: Convert to fraction form
    56,164.13/77,506.56 = 31,013.63/x
  3. Step 3: Cross multiply
    56,164.13x = 77,506.56 × 31,013.63
  4. Step 4: Simplify right side
    56,164.13x = 2,403,759,386.88
  5. Step 5: Solve for x
    x = 2,403,759,386.88/56,164.13
  6. Step 6: Final answer
    x = 42,798.84

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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.