Home / 74,312.40-112,014.86-70,029.52

Finding the Fourth Proportional to 74,312.40, 112,014.86 and 70,029.52

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Solution

The fourth proportional to 74,312.40, 112,014.86 and 70,029.52 is: 105,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,312.40 : 112,014.86 = 70,029.52 : x
  2. Step 2: Convert to fraction form
    74,312.40/112,014.86 = 70,029.52/x
  3. Step 3: Cross multiply
    74,312.40x = 112,014.86 × 70,029.52
  4. Step 4: Simplify right side
    74,312.40x = 7,844,346,878.67
  5. Step 5: Solve for x
    x = 7,844,346,878.67/74,312.40
  6. Step 6: Final answer
    x = 105,559.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.