Home / 77,801.36-107,368.00-47,586.13

Finding the Fourth Proportional to 77,801.36, 107,368.00 and 47,586.13

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Solution

The fourth proportional to 77,801.36, 107,368.00 and 47,586.13 is: 65,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,801.36 : 107,368.00 = 47,586.13 : x
  2. Step 2: Convert to fraction form
    77,801.36/107,368.00 = 47,586.13/x
  3. Step 3: Cross multiply
    77,801.36x = 107,368.00 × 47,586.13
  4. Step 4: Simplify right side
    77,801.36x = 5,109,227,218.45
  5. Step 5: Solve for x
    x = 5,109,227,218.45/77,801.36
  6. Step 6: Final answer
    x = 65,670.16

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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.