Home / 70,444.47-105,701.13-30,996.66

Finding the Fourth Proportional to 70,444.47, 105,701.13 and 30,996.66

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Solution

The fourth proportional to 70,444.47, 105,701.13 and 30,996.66 is: 46,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.47 : 105,701.13 = 30,996.66 : x
  2. Step 2: Convert to fraction form
    70,444.47/105,701.13 = 30,996.66/x
  3. Step 3: Cross multiply
    70,444.47x = 105,701.13 × 30,996.66
  4. Step 4: Simplify right side
    70,444.47x = 3,276,381,988.23
  5. Step 5: Solve for x
    x = 3,276,381,988.23/70,444.47
  6. Step 6: Final answer
    x = 46,510.14

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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.