Home / 99,309.02-137,090.63-59,035.82

Finding the Fourth Proportional to 99,309.02, 137,090.63 and 59,035.82

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Solution

The fourth proportional to 99,309.02, 137,090.63 and 59,035.82 is: 81,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,309.02 : 137,090.63 = 59,035.82 : x
  2. Step 2: Convert to fraction form
    99,309.02/137,090.63 = 59,035.82/x
  3. Step 3: Cross multiply
    99,309.02x = 137,090.63 × 59,035.82
  4. Step 4: Simplify right side
    99,309.02x = 8,093,257,461.19
  5. Step 5: Solve for x
    x = 8,093,257,461.19/99,309.02
  6. Step 6: Final answer
    x = 81,495.69

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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.