Home / 71,457.25-98,363.51-61,762.29

Finding the Fourth Proportional to 71,457.25, 98,363.51 and 61,762.29

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Solution

The fourth proportional to 71,457.25, 98,363.51 and 61,762.29 is: 85,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,457.25 : 98,363.51 = 61,762.29 : x
  2. Step 2: Convert to fraction form
    71,457.25/98,363.51 = 61,762.29/x
  3. Step 3: Cross multiply
    71,457.25x = 98,363.51 × 61,762.29
  4. Step 4: Simplify right side
    71,457.25x = 6,075,156,326.75
  5. Step 5: Solve for x
    x = 6,075,156,326.75/71,457.25
  6. Step 6: Final answer
    x = 85,018.05

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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.