Home / 111,341.95-166,999.77-31,385.92

Finding the Fourth Proportional to 111,341.95, 166,999.77 and 31,385.92

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Solution

The fourth proportional to 111,341.95, 166,999.77 and 31,385.92 is: 47,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,341.95 : 166,999.77 = 31,385.92 : x
  2. Step 2: Convert to fraction form
    111,341.95/166,999.77 = 31,385.92/x
  3. Step 3: Cross multiply
    111,341.95x = 166,999.77 × 31,385.92
  4. Step 4: Simplify right side
    111,341.95x = 5,241,441,421.24
  5. Step 5: Solve for x
    x = 5,241,441,421.24/111,341.95
  6. Step 6: Final answer
    x = 47,075.17

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1.5x scale

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.