Home / 74,802.15-103,225.46-42,970.23

Finding the Fourth Proportional to 74,802.15, 103,225.46 and 42,970.23

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Solution

The fourth proportional to 74,802.15, 103,225.46 and 42,970.23 is: 59,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.15 : 103,225.46 = 42,970.23 : x
  2. Step 2: Convert to fraction form
    74,802.15/103,225.46 = 42,970.23/x
  3. Step 3: Cross multiply
    74,802.15x = 103,225.46 × 42,970.23
  4. Step 4: Simplify right side
    74,802.15x = 4,435,621,543.20
  5. Step 5: Solve for x
    x = 4,435,621,543.20/74,802.15
  6. Step 6: Final answer
    x = 59,298.05

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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.