Home / 109,031.40-163,547.10-46,708.20

Finding the Fourth Proportional to 109,031.40, 163,547.10 and 46,708.20

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Solution

The fourth proportional to 109,031.40, 163,547.10 and 46,708.20 is: 70,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,031.40 : 163,547.10 = 46,708.20 : x
  2. Step 2: Convert to fraction form
    109,031.40/163,547.10 = 46,708.20/x
  3. Step 3: Cross multiply
    109,031.40x = 163,547.10 × 46,708.20
  4. Step 4: Simplify right side
    109,031.40x = 7,638,990,656.22
  5. Step 5: Solve for x
    x = 7,638,990,656.22/109,031.40
  6. Step 6: Final answer
    x = 70,062.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.