Home / 74,182.95-102,316.59-51,521.94

Finding the Fourth Proportional to 74,182.95, 102,316.59 and 51,521.94

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Solution

The fourth proportional to 74,182.95, 102,316.59 and 51,521.94 is: 71,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,182.95 : 102,316.59 = 51,521.94 : x
  2. Step 2: Convert to fraction form
    74,182.95/102,316.59 = 51,521.94/x
  3. Step 3: Cross multiply
    74,182.95x = 102,316.59 × 51,521.94
  4. Step 4: Simplify right side
    74,182.95x = 5,271,549,210.98
  5. Step 5: Solve for x
    x = 5,271,549,210.98/74,182.95
  6. Step 6: Final answer
    x = 71,061.47

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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.