Home / 70,210.17-105,341.56-36,455.13

Finding the Fourth Proportional to 70,210.17, 105,341.56 and 36,455.13

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Solution

The fourth proportional to 70,210.17, 105,341.56 and 36,455.13 is: 54,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.17 : 105,341.56 = 36,455.13 : x
  2. Step 2: Convert to fraction form
    70,210.17/105,341.56 = 36,455.13/x
  3. Step 3: Cross multiply
    70,210.17x = 105,341.56 × 36,455.13
  4. Step 4: Simplify right side
    70,210.17x = 3,840,240,173.06
  5. Step 5: Solve for x
    x = 3,840,240,173.06/70,210.17
  6. Step 6: Final answer
    x = 54,696.35

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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.