Home / 98,368.02-135,748.29-53,656.98

Finding the Fourth Proportional to 98,368.02, 135,748.29 and 53,656.98

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Solution

The fourth proportional to 98,368.02, 135,748.29 and 53,656.98 is: 74,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,368.02 : 135,748.29 = 53,656.98 : x
  2. Step 2: Convert to fraction form
    98,368.02/135,748.29 = 53,656.98/x
  3. Step 3: Cross multiply
    98,368.02x = 135,748.29 × 53,656.98
  4. Step 4: Simplify right side
    98,368.02x = 7,283,843,281.56
  5. Step 5: Solve for x
    x = 7,283,843,281.56/98,368.02
  6. Step 6: Final answer
    x = 74,046.86

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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.