Home / 91,154.04-136,731-46,756.08

Finding the Fourth Proportional to 91,154.04, 136,731 and 46,756.08

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Solution

The fourth proportional to 91,154.04, 136,731 and 46,756.08 is: 70,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,154.04 : 136,731 = 46,756.08 : x
  2. Step 2: Convert to fraction form
    91,154.04/136,731 = 46,756.08/x
  3. Step 3: Cross multiply
    91,154.04x = 136,731 × 46,756.08
  4. Step 4: Simplify right side
    91,154.04x = 6,393,005,574.48
  5. Step 5: Solve for x
    x = 6,393,005,574.48/91,154.04
  6. Step 6: Final answer
    x = 70,134.09

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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.