Home / 98,256.47-135,590.02-55,810.31

Finding the Fourth Proportional to 98,256.47, 135,590.02 and 55,810.31

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Solution

The fourth proportional to 98,256.47, 135,590.02 and 55,810.31 is: 77,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,256.47 : 135,590.02 = 55,810.31 : x
  2. Step 2: Convert to fraction form
    98,256.47/135,590.02 = 55,810.31/x
  3. Step 3: Cross multiply
    98,256.47x = 135,590.02 × 55,810.31
  4. Step 4: Simplify right side
    98,256.47x = 7,567,320,231.63
  5. Step 5: Solve for x
    x = 7,567,320,231.63/98,256.47
  6. Step 6: Final answer
    x = 77,016.00

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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.