Home / 70,347.40-97,075.56-38,510.14

Finding the Fourth Proportional to 70,347.40, 97,075.56 and 38,510.14

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Solution

The fourth proportional to 70,347.40, 97,075.56 and 38,510.14 is: 53,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.40 : 97,075.56 = 38,510.14 : x
  2. Step 2: Convert to fraction form
    70,347.40/97,075.56 = 38,510.14/x
  3. Step 3: Cross multiply
    70,347.40x = 97,075.56 × 38,510.14
  4. Step 4: Simplify right side
    70,347.40x = 3,738,393,406.18
  5. Step 5: Solve for x
    x = 3,738,393,406.18/70,347.40
  6. Step 6: Final answer
    x = 53,141.88

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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.