Home / 60,309.04-83,607.67-57,109.65

Finding the Fourth Proportional to 60,309.04, 83,607.67 and 57,109.65

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Solution

The fourth proportional to 60,309.04, 83,607.67 and 57,109.65 is: 79,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,309.04 : 83,607.67 = 57,109.65 : x
  2. Step 2: Convert to fraction form
    60,309.04/83,607.67 = 57,109.65/x
  3. Step 3: Cross multiply
    60,309.04x = 83,607.67 × 57,109.65
  4. Step 4: Simplify right side
    60,309.04x = 4,774,804,485.47
  5. Step 5: Solve for x
    x = 4,774,804,485.47/60,309.04
  6. Step 6: Final answer
    x = 79,172.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.