Home / 105,050.95-157,445.02-52,475.11

Finding the Fourth Proportional to 105,050.95, 157,445.02 and 52,475.11

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Solution

The fourth proportional to 105,050.95, 157,445.02 and 52,475.11 is: 78,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,050.95 : 157,445.02 = 52,475.11 : x
  2. Step 2: Convert to fraction form
    105,050.95/157,445.02 = 52,475.11/x
  3. Step 3: Cross multiply
    105,050.95x = 157,445.02 × 52,475.11
  4. Step 4: Simplify right side
    105,050.95x = 8,261,944,743.45
  5. Step 5: Solve for x
    x = 8,261,944,743.45/105,050.95
  6. Step 6: Final answer
    x = 78,647.03

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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.