Home / 70,386.77-97,130.14-38,554.99

Finding the Fourth Proportional to 70,386.77, 97,130.14 and 38,554.99

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Solution

The fourth proportional to 70,386.77, 97,130.14 and 38,554.99 is: 53,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,386.77 : 97,130.14 = 38,554.99 : x
  2. Step 2: Convert to fraction form
    70,386.77/97,130.14 = 38,554.99/x
  3. Step 3: Cross multiply
    70,386.77x = 97,130.14 × 38,554.99
  4. Step 4: Simplify right side
    70,386.77x = 3,744,851,237.19
  5. Step 5: Solve for x
    x = 3,744,851,237.19/70,386.77
  6. Step 6: Final answer
    x = 53,203.91

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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.