Home / 70,947.95-97,908.83-39,117.98

Finding the Fourth Proportional to 70,947.95, 97,908.83 and 39,117.98

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Solution

The fourth proportional to 70,947.95, 97,908.83 and 39,117.98 is: 53,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,947.95 : 97,908.83 = 39,117.98 : x
  2. Step 2: Convert to fraction form
    70,947.95/97,908.83 = 39,117.98/x
  3. Step 3: Cross multiply
    70,947.95x = 97,908.83 × 39,117.98
  4. Step 4: Simplify right side
    70,947.95x = 3,829,994,968.63
  5. Step 5: Solve for x
    x = 3,829,994,968.63/70,947.95
  6. Step 6: Final answer
    x = 53,983.17

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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.