Home / 97,631.60-146,444.63-31,075.70

Finding the Fourth Proportional to 97,631.60, 146,444.63 and 31,075.70

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Solution

The fourth proportional to 97,631.60, 146,444.63 and 31,075.70 is: 46,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.60 : 146,444.63 = 31,075.70 : x
  2. Step 2: Convert to fraction form
    97,631.60/146,444.63 = 31,075.70/x
  3. Step 3: Cross multiply
    97,631.60x = 146,444.63 × 31,075.70
  4. Step 4: Simplify right side
    97,631.60x = 4,550,868,500.89
  5. Step 5: Solve for x
    x = 4,550,868,500.89/97,631.60
  6. Step 6: Final answer
    x = 46,612.66

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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.