Home / 70,946.98-97,907.58-39,117.02

Finding the Fourth Proportional to 70,946.98, 97,907.58 and 39,117.02

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Solution

The fourth proportional to 70,946.98, 97,907.58 and 39,117.02 is: 53,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.98 : 97,907.58 = 39,117.02 : x
  2. Step 2: Convert to fraction form
    70,946.98/97,907.58 = 39,117.02/x
  3. Step 3: Cross multiply
    70,946.98x = 97,907.58 × 39,117.02
  4. Step 4: Simplify right side
    70,946.98x = 3,829,852,275.47
  5. Step 5: Solve for x
    x = 3,829,852,275.47/70,946.98
  6. Step 6: Final answer
    x = 53,981.89

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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.