Home / 66,628.17-99,828.59-40,277.25

Finding the Fourth Proportional to 66,628.17, 99,828.59 and 40,277.25

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Solution

The fourth proportional to 66,628.17, 99,828.59 and 40,277.25 is: 60,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,628.17 : 99,828.59 = 40,277.25 : x
  2. Step 2: Convert to fraction form
    66,628.17/99,828.59 = 40,277.25/x
  3. Step 3: Cross multiply
    66,628.17x = 99,828.59 × 40,277.25
  4. Step 4: Simplify right side
    66,628.17x = 4,020,820,875.19
  5. Step 5: Solve for x
    x = 4,020,820,875.19/66,628.17
  6. Step 6: Final answer
    x = 60,347.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.