Home / 106,210.81-159,426.92-47,088.00

Finding the Fourth Proportional to 106,210.81, 159,426.92 and 47,088.00

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Solution

The fourth proportional to 106,210.81, 159,426.92 and 47,088.00 is: 70,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,210.81 : 159,426.92 = 47,088.00 : x
  2. Step 2: Convert to fraction form
    106,210.81/159,426.92 = 47,088.00/x
  3. Step 3: Cross multiply
    106,210.81x = 159,426.92 × 47,088.00
  4. Step 4: Simplify right side
    106,210.81x = 7,507,094,011.83
  5. Step 5: Solve for x
    x = 7,507,094,011.83/106,210.81
  6. Step 6: Final answer
    x = 70,681.08

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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.