Home / 101,125.92-139,549.08-58,075.13

Finding the Fourth Proportional to 101,125.92, 139,549.08 and 58,075.13

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Solution

The fourth proportional to 101,125.92, 139,549.08 and 58,075.13 is: 80,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125.92 : 139,549.08 = 58,075.13 : x
  2. Step 2: Convert to fraction form
    101,125.92/139,549.08 = 58,075.13/x
  3. Step 3: Cross multiply
    101,125.92x = 139,549.08 × 58,075.13
  4. Step 4: Simplify right side
    101,125.92x = 8,104,330,417.40
  5. Step 5: Solve for x
    x = 8,104,330,417.40/101,125.92
  6. Step 6: Final answer
    x = 80,140.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.