Home / 58,724.79-81,075.29-38,615.32

Finding the Fourth Proportional to 58,724.79, 81,075.29 and 38,615.32

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Solution

The fourth proportional to 58,724.79, 81,075.29 and 38,615.32 is: 53,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,724.79 : 81,075.29 = 38,615.32 : x
  2. Step 2: Convert to fraction form
    58,724.79/81,075.29 = 38,615.32/x
  3. Step 3: Cross multiply
    58,724.79x = 81,075.29 × 38,615.32
  4. Step 4: Simplify right side
    58,724.79x = 3,130,748,267.44
  5. Step 5: Solve for x
    x = 3,130,748,267.44/58,724.79
  6. Step 6: Final answer
    x = 53,312.21

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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.