Home / 66,298.16-99,288.95-38,159.07

Finding the Fourth Proportional to 66,298.16, 99,288.95 and 38,159.07

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Solution

The fourth proportional to 66,298.16, 99,288.95 and 38,159.07 is: 57,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298.16 : 99,288.95 = 38,159.07 : x
  2. Step 2: Convert to fraction form
    66,298.16/99,288.95 = 38,159.07/x
  3. Step 3: Cross multiply
    66,298.16x = 99,288.95 × 38,159.07
  4. Step 4: Simplify right side
    66,298.16x = 3,788,774,136.37
  5. Step 5: Solve for x
    x = 3,788,774,136.37/66,298.16
  6. Step 6: Final answer
    x = 57,147.50

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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.